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Is the American Express Card a national project?
Yuntong Card is a national project. Yunzhengtong is a mobile digital certificate product of China Financial Certification Center (CFCA). It uses the state secret SM2 algorithm, takes the mobile terminal as the certificate carrier, and provides collaborative signature service by using key dispersion technology. Users can download the certificate and digitally sign it in the mobile App, and set the certificate PIN code to protect the security of the digital certificate.